Construct validation data according to training data

lgb.Dataset.create.valid(dataset, data, info = list(), ...)

Arguments

dataset

lgb.Dataset object, training data

data

a matrix object, a dgCMatrix object or a character representing a filename

info

a list of information of the lgb.Dataset object

...

other information to pass to info.

Value

constructed dataset

Examples

# \donttest{ data(agaricus.train, package = "lightgbm") train <- agaricus.train dtrain <- lgb.Dataset(train$data, label = train$label) data(agaricus.test, package = "lightgbm") test <- agaricus.test dtest <- lgb.Dataset.create.valid(dtrain, test$data, label = test$label) # }